Ever Decreasing FTTC Speeds
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- Re: Ever Decreasing FTTC Speeds
Ever Decreasing FTTC Speeds
07-03-2018 6:36 AM - edited 07-03-2018 6:44 AM
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When I joined PlusNet in Jan 2017, I was receiving broadband speeds close to my headline download/upload profile speeds of 70/20.Actual throughput speeds were close to that until circa Jan 2018. However, over the last 2 months the speeds have fallen from circa. 63/17 to 55/13.
i raised a trouble ticket and I have been advised that the maximum download speed I can now receive on my line is only 55Mbps. Please can someone explain why the downstream and upstream speeds on my broadband line has changed so dramatically from:
_FTTC_SERVICE_0003 (July 2017):
Downstream Speed
70.0 Mbps
Upstream Speed
20.0 Mbps
to:
GTC_FTTC_SERVICE_0000 (Mar 2018):
Downstream Speed
60.6 Mbps
Upstream Speed
17.1 Mbps
The modem is plugged in to the main socket and nothing has physically changed within my home. I am paying for a 78Mbps service and now getting speeds nearer 38Mbps?
Re: Ever Decreasing FTTC Speeds
07-03-2018 6:40 AM
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Moderator's note by Mike (Mav): This thread is now in the appropriate board.
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He who feared he would not succeed sat still
Re: Ever Decreasing FTTC Speeds
07-03-2018 10:16 AM
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First of all you are not paying for a '78Mbps service', you are being supplied an up to 78Mbps service. If you put your number in here: https://www.dslchecker.bt.com/ this will tell you whether your speed is within limits.
There are many reasons why it could have slowed, externally it could, for example, be crosstalk due to more subscribers being connected to your local fibre cabinet or electromagnetic interference (EMI) causing your SNR to have been increased to cut down on errors. Internally, again it could be EMI or due to you using a wireless connection for speed testing.
Are you testing with a wired connection to the router, which in turn is connected via a filter to the test socket?
Can you report your router statistics such as SNR and sync rate for us to see?
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If it fixed it, help others - select 'This Fixed My Problem'
Re: Ever Decreasing FTTC Speeds
07-03-2018 11:34 AM
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Sorry to hear your speeds have dropped.
I can see you have a fault open and we've asked you for your availability for a engineer visit.
With regards to why speeds can drop over time the information @Baldrick1 has given are the main reasons.
Re: Ever Decreasing FTTC Speeds
07-03-2018 6:03 PM - edited 07-03-2018 6:08 PM
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I am 500 meters from the cabinet, my modem stats connected to the master socket, via a filter, are:
6. Data rate: | 17268 / 61954 |
7. Maximum data rate: | 18163 / 64068 |
8. Noise margin: | 5.8 / 3.5 |
9. Line attenuation: | 21.4 / 16.1 |
10. Signal attenuation: | 21.3 / 16.0 |
and DSL checker for my telephone number states:
Featured Products |
Downstream Line Rate(Mbps) |
Upstream Line Rate(Mbps) |
Downstream Handback Threshold(Mbps) |
WBC FTTC Availability Date |
WBC SOGEA Availability Date |
Left in Jumper |
|
||
High |
Low |
High |
Low |
|
|||||
VDSL Range A (Clean) |
78.5 |
55.4 |
20 |
18.7 |
49 |
Available |
-- |
-- |
|
VDSL Range B (Impacted) |
69 |
42.1 |
20 |
12.8 |
35 |
Available |
-- |
-- |
|
Featured Products |
Downstream Line Rate(Mbps) |
Upstream Line Rate(Mbps) |
Downstream Range(Mbps) |
WBC FTTP Availability Date |
|||||
FTTP on Demand |
330 |
30 |
-- |
Available |
-- |
-- |
|||
ADSL Products |
Downstream Line Rate(Mbps) |
Upstream Line Rate(Mbps) |
Downstream Range(Mbps) |
Availability Date |
Left in Jumper |
||||
WBC ADSL 2+ |
Up to 6 |
-- |
3.5 to 8.5 |
Available |
-- |
-- |
|||
WBC ADSL 2+ Annex M |
Up to 6 |
Up to 1 |
3.5 to 8.5 |
Available |
-- |
-- |
|||
ADSL Max |
Up to 4.5 |
-- |
3 to 7.5 |
Available |
-- |
-- |
|||
WBC Fixed Rate |
2 |
-- |
-- |
Available |
-- |
-- |
|||
Fixed Rate |
2 |
-- |
-- |
Available |
-- |
-- |
|||
Other Offerings |
Availability Date |
||||||||
VDSL Multicast |
-- |
-- |
-- |
Available |
-- |
-- |
|||
ADSL Multicast |
-- |
-- |
-- |
Available |
-- |
-- |
|||
Premise environment |
Status |
||||||||
Bridge Tap |
Y |
||||||||
VRI |
N |
||||||||
NTEFaceplate |
N |
||||||||
Last Test Date |
18-05-2017 |
As stated, I seem to be continuously getting the lowest download speed of 55.4 for the last 2 months whereas before I was receiving a constant download speed of 69 Mbps. The upload speed was always a steady 18 Mbps but has dropped 13-14Mbps, which is no where near the low end estimate above.
Re: Ever Decreasing FTTC Speeds
08-03-2018 2:23 PM
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Re: Ever Decreasing FTTC Speeds
08-03-2018 11:26 PM
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Bridge Tap
Y
Seems something might be off with your wiring mate.
Re: Ever Decreasing FTTC Speeds
10-03-2018 12:21 AM - edited 10-03-2018 12:24 AM
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That might have been the case last summer but now plugged into the Master Socket for the last few weeks.
What a joke .... Download speed this evening 9 Mar 2018 was 1-2 Mb Upload 16Mb for the last few hours with modem plugged in to master socket. I have refrained from rebooting the modem. Time to look for another ISP....speed so slow unable to stream Netflix...
Re: Ever Decreasing FTTC Speeds
10-03-2018 12:25 AM
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Re: Ever Decreasing FTTC Speeds
10-03-2018 12:27 AM - edited 10-03-2018 12:29 AM
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It’s even been in the test socket in recent weeks with no improvement in download speed...currently being forced to tether off my 4g phone, download speed is 80mbps
Re: Ever Decreasing FTTC Speeds
10-03-2018 8:22 AM
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Again, in some situations, connecting to the test socket can make no difference. Star wiring or bridge taps occur before the NTE.
Re: Ever Decreasing FTTC Speeds
10-03-2018 1:44 PM
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